Overview
The AD7657BSTZ-1 is a high-performance analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the iCMOS® series and is designed to offer high accuracy and low power consumption. The AD7657BSTZ-1 features six 14-bit successive approximation ADCs, making it suitable for a variety of applications requiring multiple analog input channels.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7657BSTZ-1 |
| Package | 64-Lead LQFP |
| Number of Analog In Channels | 6 |
| Resolution | 14-bit |
| Sampling Rate | Up to 250 kSPS |
| Analog Supply Voltage | 5V |
| Input Range | ±10 V, ±5 V (pin-/software-selectable) |
| Signal to Noise Ratio (SNR) | 88 dB at 10 kHz input frequency |
| Conversion Time | 3.1 μs |
| Interface | High speed parallel, serial, and daisy-chain interface modes |
| Operating Temperature | −40°C to +85°C |
Key Features
- Pin and software compatible with AD7656/AD7657/AD7658, featuring reduced decoupling requirements.
- Six independent 14-bit ADCs with true bipolar analog inputs.
- Pin-/software-selectable input ranges: ±10 V, ±5 V.
- Fast throughput rate of up to 250 kSPS.
- Low power consumption: 140 mW at 250 kSPS with 5 V supplies.
- High noise performance with wide bandwidth.
- On-chip 2.5 V reference and reference buffers.
- High speed parallel, serial, and daisy-chain interface modes.
- Standby mode: 315 µW maximum.
Applications
- Power line monitoring and measuring systems.
- Instrumentation and control systems.
- Multiaxis positioning systems.
Q & A
- What is the resolution of the AD7657BSTZ-1 ADC?
The AD7657BSTZ-1 has a resolution of 14 bits.
- How many analog input channels does the AD7657BSTZ-1 have?
The AD7657BSTZ-1 has six independent analog input channels.
- What are the selectable input ranges for the AD7657BSTZ-1?
The input ranges are ±10 V and ±5 V, which are pin-/software-selectable.
- What is the maximum sampling rate of the AD7657BSTZ-1?
The maximum sampling rate is up to 250 kSPS.
- What is the power consumption of the AD7657BSTZ-1 at 250 kSPS?
The power consumption is 140 mW at 250 kSPS with 5 V supplies.
- What types of interfaces does the AD7657BSTZ-1 support?
The AD7657BSTZ-1 supports high speed parallel, serial, and daisy-chain interface modes.
- What is the operating temperature range of the AD7657BSTZ-1?
The operating temperature range is −40°C to +85°C.
- Does the AD7657BSTZ-1 have an on-chip reference?
Yes, the AD7657BSTZ-1 has an on-chip 2.5 V reference and reference buffers.
- What is the standby power consumption of the AD7657BSTZ-1?
The standby power consumption is 315 µW maximum.
- What process technology is used in the AD7657BSTZ-1?
The AD7657BSTZ-1 is designed using the iCMOS® process technology.
